WO2022222859A1

WO2022222859A1 - Electronic device

Info

Publication number: WO2022222859A1
Application number: PCT/CN2022/087083
Authority: WO
Inventors: 梁源标; 王子瑜
Original assignee: 维沃移动通信有限公司
Priority date: 2021-04-22
Filing date: 2022-04-15
Publication date: 2022-10-27
Also published as: CN113141744B; CN113141744A

Abstract

The present application provides an electronic device, comprising a base (10), a telescopic support (20), a flexible screen (30), and a driving module (40). The base (10) is slidably connected to the telescopic support (20), the telescopic support (20) is connected to the flexible screen (30) by means of the driving module (40), and the telescopic support (20) can switch between a retracted state and an extended state relative to the base (10). The electronic device further comprises first circuit board assemblies (50), a second circuit board assembly (60), and a conductive connection member (70), the first circuit board assemblies (50) are disposed on the base (10), and the second circuit board assembly (60) is disposed on the telescopic support (20). In the retracted state, the first circuit board assemblies (50) and the second circuit board assembly (60) are stacked. In the extended state, the first circuit board assemblies (50) and the second circuit board assembly (60) are located at different positions. In the retracted or extended state, the first circuit board assemblies (50) and the second circuit board assembly (60) can be electrically connected by means of the conductive connection member (70).

Description

Electronic equipment

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority to Chinese Patent Application No. 202110435570.3 filed in China on Apr. 22, 2021, the entire contents of which are hereby incorporated by reference.

technical field

The present application belongs to the technical field of electronic products, and specifically relates to an electronic device.

Background technique

With the development of communication technology and the improvement of user requirements, the screen size of electronic devices is getting larger and larger, and more and more functional components are integrated on electronic devices, resulting in the problem of compact layout of functional components disposed on circuit boards.

It can be seen that, in the related art, the functional components on the circuit board have the problem of compact layout.

SUMMARY OF THE INVENTION

The present application aims to provide an electronic device that can solve the problem of compact layout of functional components on a circuit board in the related art.

In order to solve the above technical problems, this application is implemented as follows:

An embodiment of the present application proposes an electronic device, comprising: a base, a telescopic bracket, a flexible screen, and a drive module, the base is slidably connected to the telescopic support, and the telescopic support is connected to the other through the drive module. the flexible screen is connected, and the telescopic support can be switched between a retracted state and an extended state relative to the base;

The electronic device further includes a first circuit board assembly, a second circuit board assembly, and a conductor, the first circuit board assembly is disposed on the base, and the second circuit board assembly is disposed on the telescopic bracket superior;

In the retracted state, the first circuit board assembly and the second circuit board assembly are stacked and disposed; in the extended state, the first circuit board assembly and the second circuit board assembly are misaligned Location;

Wherein, in the retracted state or the extended state, the first circuit board assembly and the second circuit board assembly may be electrically connected through the conductive member.

In the embodiment of the present application, when the telescopic bracket is in a retracted state or an extended state, both the first circuit board assembly and the second circuit board assembly can be electrically connected to the conductive member, so that the second circuit board assembly can be electrically connected through the second circuit board assembly. The circuit board assembly supplies power to the first circuit board assembly, and can also supply power to the second circuit board assembly through the first circuit board assembly; moreover, the electrical connection between the first circuit board assembly and the second circuit board assembly is realized through the conductive member , the setting of the board-to-board connector can also be saved, thereby improving the layout of the circuit board inside the electronic device, and achieving the purpose of optimizing the layout of the functional components on the circuit board.

Additional aspects and advantages of the present application will be set forth, in part, from the following description, and in part will become apparent from the following description, or may be learned by practice of the present application.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily understood from the following description of embodiments in conjunction with the accompanying drawings, wherein:

1 is an exploded schematic diagram of an electronic device provided by an embodiment of the present application;

FIG. 2 is one of the schematic structural diagrams of the electronic device provided by the embodiment of the present application;

3 is a second schematic structural diagram of an electronic device provided by an embodiment of the present application;

4 is a schematic diagram of a first circuit board assembly and a second circuit board assembly provided in an embodiment of the present application in a stacked state;

5 is a schematic diagram of a first circuit board assembly and a second circuit board assembly provided in an embodiment of the present application in a dislocation state;

6 is a schematic structural diagram of a first circuit board assembly provided by an embodiment of the present application;

7 is a schematic diagram of a thimble-type guide provided by the implementation of the present application in an extended state;

FIG. 8 is a schematic diagram of the ejector pin guide provided in the implementation of the present application in a retracted state;

9 is a third schematic structural diagram of an electronic device provided by an embodiment of the present application;

10 is a fourth schematic structural diagram of an electronic device provided by an embodiment of the present application;

FIG. 11 is one of the schematic structural diagrams of the second circuit board provided by the embodiment of the present application;

FIG. 12 is the second schematic structural diagram of the second circuit board provided by the embodiment of the present application;

13 is a schematic structural diagram of a telescopic support provided by an embodiment of the present application;

FIG. 14 is a schematic structural diagram of a flexible screen provided by an embodiment of the present application;

FIG. 15 is a fifth schematic structural diagram of an electronic device provided by an embodiment of the present application;

16 is a sixth schematic structural diagram of an electronic device provided by an embodiment of the present application;

FIG. 17 is a seventh schematic structural diagram of an electronic device provided by an embodiment of the present application.

Detailed ways

The following will describe in detail the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, but should not be construed as a limitation on the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

The features of the terms "first" and "second" in the description and claims of this application may expressly or implicitly include one or more of such features. In the description of this application, unless stated otherwise, "plurality" means two or more. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the associated objects are in an "or" relationship.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

As shown in FIGS. 1 to 17 , an embodiment of the present application provides an electronic device, the electronic device includes a base 10 , a telescopic bracket 20 , a flexible screen 30 and a drive module 40 , the base 10 is slidably connected to the telescopic bracket 20 , The telescopic bracket 20 is connected with the flexible screen 30 through the driving module 40, and the telescopic bracket 20 can be switched between a retracted state and an extended state relative to the base 10;

The electronic device further includes a first circuit board assembly 50, a second circuit board assembly 60 and a guide member 70, the first circuit board assembly 50 is disposed on the base 10, and the second circuit board assembly 60 is disposed on the telescopic bracket 20;

In the retracted state, the first circuit board assembly 50 and the second circuit board assembly 60 are stacked; in the extended state, the first circuit board assembly 50 and the second circuit board assembly 60 are dislocated;

Wherein, in the retracted state or the extended state, the first circuit board assembly 50 and the second circuit board assembly 60 may be electrically connected through the conducting member 70 .

In addition, the retracted state may refer to a state in which the telescopic bracket 20 is fully retracted, and the extended state may refer to a state in which the telescopic bracket 20 is fully extended.

In this embodiment, when the telescopic bracket 20 is in a retracted state or an extended state, both the first circuit board assembly 50 and the second circuit board assembly 60 can be electrically connected to the conductive member 70, so that the first circuit board assembly 50 and the second circuit board assembly 60 can be electrically connected through the The second circuit board assembly 60 supplies power to the first circuit board assembly 50, and can also supply power to the second circuit board assembly 60 through the first circuit board assembly 50; The electrical connection of the two circuit board assemblies 60 can also save the setting of board-to-board connectors, thereby improving the layout of the internal circuit boards of the electronic device, and achieving the purpose of optimizing the layout of functional components on the circuit boards.

As shown in FIG. 4 , when the number of the first circuit board assemblies 50 is two, and the first circuit board assemblies 50 and the second circuit board assemblies 60 are in a stacked state (ie, the telescopic bracket 20 is in a retracted state) , line 1 represents the main path for charging/power supply; line 2 represents the power supply path for the second circuit board assembly 60; line 3 represents the power supply path for one of the first circuit board assemblies 50 on the side of the second circuit board assembly 60; Line 4 represents the power supply path for another first circuit board assembly 50 on the side of the second circuit board assembly 60; Line 7 represents the power supply path for the first circuit board assembly 50 on the side of the first circuit board assembly 50; line 8 denotes a power supply path to the other first circuit board assembly 50 on the side of the first circuit board assembly 50 .

As shown in FIG. 5 , when the number of the first circuit board assemblies 50 is two, and the first circuit board assemblies 50 and the second circuit board assemblies 60 are in a dislocation state (ie, the telescopic bracket 20 is in an extended state), Line 1 represents the main path for charging/power supply; Line 2 represents the power supply path for the second circuit board assembly 60; Line 3 represents the power supply path for one of the first circuit board assemblies 50 on the side of the second circuit board assembly 60; Line 4 represents a power supply path to another first circuit board assembly 50 on the side of the second circuit board assembly 60; line 5 represents a power supply path to the first circuit board assembly 50 on the side of the first circuit board assembly 50; line 6 Indicates the power supply path to the other first circuit board assembly 50 on the side of the first circuit board assembly 50 .

This arrangement can effectively shorten the electrical connection path between the first circuit board assembly 50 and the second circuit board assembly 60, thereby achieving the purpose of optimizing the layout of functional components on the circuit board.

As shown in FIG. 6 , the end face of the first circuit board assembly 50 facing the second circuit board assembly 60 is provided with a first contact 51 and a second contact 52 , and the first contact 51 and the second contact 52 are along the first The directions are distributed at both ends of the first circuit board assembly 50, and the first direction is the telescopic direction of the telescopic bracket 20;

Wherein, in the retracted state, the second circuit board assembly 60 is electrically connected to the first contact 51 through the conductive member 70; in the extended state, the second circuit board assembly 60 is electrically connected to the second contact through the conductive member 70 52 Electrical connections.

In this embodiment, the distance between the first contact 51 and the second contact 52 may be the telescopic stroke of the telescopic bracket 20 , that is, the distance between the first contact 51 and the second contact 52 is the same as the distance between the telescopic bracket 20 . The telescopic strokes are equal, so that when the telescopic bracket 20 is in the retracted state or the extended state, the second circuit board assembly 60 can be electrically connected to the first circuit board assembly 50 through the conducting member 70 .

Optionally, the electronic device further includes a first battery 81 and a second battery 82, the first battery 81 is provided on the base 10, and the first battery 81 is electrically connected to the first circuit board assembly 50; the second battery 82 is provided on on the telescopic bracket 20 , and the second battery 82 is electrically connected to the second circuit board assembly 60 .

In this embodiment, by arranging two batteries, the power supply capability of the electronic device can be effectively improved. Moreover, the second circuit board assembly 60 can also supply power to the first circuit board assembly 50 and the first battery 81, and since the second circuit board assembly 60 and the first circuit board assembly 50 are electrically connected through the conductive member 70, It is also possible to save the setting of the charging circuit board, so that the charging path of the first battery 81 is more even.

Wherein, in the retracted state, the second circuit board assembly 60 is electrically connected to the first contact 51 through the conductive member 70, and supplies power to the first battery 81 through the first contact 51; in the extended state, the second The circuit board assembly 60 is electrically connected to the second contact 52 through the conductive member 70, and supplies power to the first battery 81 through the second contact 52. Compared with the flexible charging circuit board, the second circuit board assembly 60 can be connected to the first battery 81. The electrical transmission path of the first battery 81 is more even, and the number of circuit boards of the electronic device is effectively reduced, and the purpose of optimizing the layout of functional components on the circuit board is achieved.

Correspondingly, the second circuit board assembly 60 and the first battery 81 can also be powered by the first circuit board assembly 50, and the purpose of saving the setting of the charging circuit board can also be achieved.

Optionally, the first battery 81 is located on the side of the first circuit board assembly 50 away from the second circuit board assembly 60, and the second battery 82 is located on the side of the second circuit board assembly 60 away from the first circuit board assembly 50;

Wherein, the side of the first circuit board assembly 50 facing the second circuit board assembly 60 is provided with a first charging management module (not shown), and the first charging management module is used to manage the charging process of the first battery 81;

The side of the second circuit board assembly 60 facing the first circuit board assembly 50 is provided with a second charge management module (not shown), and the second charge management module is used to manage the charging process of the second battery 82 .

In this embodiment, by setting the first charging management module and the second charging management module, the charging process of the first battery 81 and/or the second battery 82 can be further managed, and the first battery 81 and/or the second battery 82 can be effectively improved. The charging effect of the second battery 82 .

As shown in FIGS. 7 and 8 , the guide 70 may be a thimble-type guide, and when the telescopic bracket 20 is in a retracted state or an extended state, the thimble-type guide is in an extended state, so as to achieve The electrical connection between the second circuit board assembly 60 and the first contact 51 or the second contact 52; and when the telescopic bracket 20 is in a semi-contracting state or in the process of telescopic movement, the ejector pin guide is retracted state, that is, the first circuit board assembly 50 and the second circuit board assembly 60 are in an open circuit state.

As shown in FIG. 10 , the second circuit board assembly 60 is also provided with functional devices such as a charging data interface 61, a speaker 62, a rear camera 63, a receiver 64, a front camera 65, and the like; as shown in FIG. 11, the second circuit board The assembly 60 is also provided with functional devices or circuits such as the display screen & camera interface circuit 66, the processor power module 67, the charging protection circuit 68; as shown in Figure 12, the second circuit board assembly 60 is also provided with a radio frequency module 6091, Processor module 6092, Bluetooth & Wi-Fi module 6093, charging protection module 6094, interface protection module 6095 and other functional devices or circuits.

Wherein, the side of the first circuit board assembly 50 away from the second circuit board assembly 60 is further provided with a first battery connector (not shown), and the first battery 81 is connected to the first circuit board through the first battery connector The assembly 50 is electrically connected; accordingly, the side of the second circuit board assembly 60 away from the first circuit board assembly 50 is also provided with a second battery connector (not shown), and the second battery 82 is connected with the second battery connector through the second battery connector. The second circuit board assembly 60 is electrically connected.

It should be noted that the number of the first circuit board assemblies 50 may be one, or two or more; correspondingly, the number of the first batteries 81 may also be one, two or more; A battery can increase the battery capacity, increase the parallel charging effect, improve the heat dissipation effect of the electronic device, and reduce the thickness of the electronic device.

Optionally, the electronic device includes a first side and a second side disposed opposite to each other;

When the telescopic support 20 is in a retracted state, the base 10 includes a first area on the first side and a second area on the second side, and the flexible screen 30 covers the first area and the second area;

When the telescopic bracket 20 is in an extended state, the telescopic bracket 20 includes a third area on the first side, and the flexible screen 30 covers the first area and the third area.

In this embodiment, when the telescopic bracket 20 is in a retracted state, the electronic device can act as a double-sided screen electronic device; and when the telescopic bracket 20 is in an extended state, the electronic device can act as a large-screen electronic device, effectively It expands the screen display area of the electronic device on the first side, and effectively improves the screen expansion capability of the electronic device.

Wherein, in the process of switching the telescopic support 20 from the retracted state to the extended state, the coverage area of the flexible screen 30 covering the second area gradually decreases, while the coverage area of the flexible screen 30 covering the third area gradually increases until the first area is covered. When the screen part of the second area is completely transferred to cover the third area, the telescopic bracket 20 is in a fully extended state, so that the electronic device has the largest display area on the first side to achieve the purpose of expanding the screen display area of the electronic device.

Optionally, as shown in FIG. 13 , the drive module 40 includes a drive member 41 , a transmission assembly 42 and a conveyor belt 43 , the drive member 41 is arranged on the telescopic bracket 20 , and the conveyor belt 43 is connected with the drive member 41 through the transmission assembly 42 , and is flexible The first connecting portion (not shown) of the screen 30 is fixedly connected to the conveyor belt 43 .

In this embodiment, the first connecting portion is equivalent to the movable end of the flexible screen 30, and the first connecting portion is fixed on the conveyor belt 43, so that the conveyor belt 43 drives the flexible screen 30 to move, thereby driving the telescopic bracket 20 to retract and extend The flexible screen 30 can be switched between the out states, so as to realize flexible adjustment of the screen display area of the flexible screen 30 on the first side.

Wherein, by using the conveyor belt 43 to drive the flexible screen 30 to move, the stability of the flexible screen 30 during the movement can also be improved.

Wherein, the driving member 41 can drive a motor, such as a stepping motor, to precisely control the telescopic distance of the telescopic bracket 20; the transmission component 42 includes a reduction box, a transmission shaft, a driving gear, a transmission gear and other structures, which are used to realize the driving member 41 is connected with the transmission belt 43, and the accuracy of the transmission distance of the conveyor belt 43 is improved.

In one embodiment, the reduction box is connected to the output shaft of the drive motor, and decelerates the rotation speed of the output shaft of the drive motor; the two ends of the transmission shaft are respectively connected to the reduction box and the driving gear, and transmit the output speed of the reduction box to the Driving gear; the conveyor belt meshes with the driving gear and the transmission gear, and drives the corresponding telescopic module to perform telescopic switching, so as to realize the adjustment of the display area of the flexible screen 30 on the first side and/or the third side; the driving gear is used for driving The conveyor belt rotates; the transmission gear is used to support the conveyor belt to maintain the balance of rotation.

Optionally, as shown in FIG. 13 , the telescopic bracket 20 includes a bracket body 21 and a side cover 22 , a conveyor belt 43 is located between the bracket body 21 and the side cover 22 , and the length direction of the conveyor belt 43 is the same as the telescopic direction of the telescopic bracket 20 , The side cover 22 is provided with a sliding rail (not shown), the base 10 is provided with a sliding groove (not shown) adapted to the sliding rail, and the sliding rail is slidably connected with the sliding groove.

In this embodiment, by providing the side cover 22, the conveyor belt 43 can be protected to avoid external interference during the movement of the conveyor belt 43; moreover, the side cover 22 is provided with a slide rail, which can also lift the telescopic bracket 20 and the base. The stability of the seat 10 during relative sliding.

The sliding rails may be arranged at the upper and lower ends of the side cover 22 and distributed along the telescopic direction of the telescopic bracket 20, so that the sliding rails play a guiding role.

Optionally, the flexible screen 30 further includes a second connecting portion (not shown) on the first side, and the second connecting portion is fixedly connected to the base 10 .

In this embodiment, by arranging the second connection portion and fixedly connecting the second connection portion with the base 10 , the stability of the flexible screen 30 during the movement process can be improved.

Optionally, as shown in FIG. 14, the flexible screen 30 includes a laminated flexible screen display module 31 and a flexible glass cover plate 32, and the laminated flexible screen display module 31 and the flexible glass cover plate 32 can be fixedly connected by an adhesive layer, and the flexible screen The first connection part of the flexible screen 30 can be fixedly connected to the conveyor belt 43 through the adhesive layer, and the second connection part of the flexible screen 30 can be fixedly connected to the base 10 through the adhesive layer.

Wherein, the adhesive layer in the above embodiments may be double-sided adhesive tape or other adhesive layer structures.

Optionally, a locking structure is also included, and the locking structure is used to lock the telescopic bracket 20 in the retracted state or the extended state, so as to improve the stability of the electronic device in the retracted state or the extended state.

As shown in FIG. 15 , the I-shaped chute 11 on the base 10 , and the bracket body 21 is provided with an I-shaped guide rail 211 adapted to the I-shaped chute 11 , and the I-shaped chute 11 is connected to the I-shaped The guide rail 211 realizes the sliding connection between the bracket body 21 and the base 10; the locking structure includes a locking member 91 and an elastic member 92, and the locking member 91 is connected with the I-shaped chute 11 through the elastic member 92, and is connected to the elastic member 92. Under the action of the elastic force, the locking member 91 is pressed against the I-shaped guide rail 211 to realize the locking of the telescopic bracket 20 in the retracted state or the extended state, that is, the telescopic bracket 20 is locked in the retracted state or extended state. state.

In one example, the locking member 91 may be a marble, and the elastic member 92 may be a spring.

As shown in FIG. 9 , in the case where at least two first circuit board assemblies 50 are provided on the base 10 , there are two carrying platforms 12 on the base 10 for installing the first circuit board assemblies 50 , and two An I-shaped chute 11 can be formed between the bearing platforms 12 so as to be slidably connected to the I-shaped guide rail 211 on the bracket body 21 . Compared with a separate chute structure, the structure of the base 10 can be effectively simplified, and the first Layout of functional devices on a circuit board assembly 50 .

As shown in FIG. 16 , a receiver 601 is also provided on the second circuit board assembly 60, and a first sound channel 93 is provided on the electronic device. The receiver 601 can communicate with the outside through the first sound channel 93, so that the receiver 601 can pass through The first sound channel 93 performs sound interaction with the outside world.

As shown in FIG. 17 , the second circuit board assembly 60 is further provided with a speaker 602 , and the electronic device is further provided with a second sound channel 94 , and the speaker 602 can communicate with the outside through the second sound channel 94 to realize the speaker 602 Perform sound interaction with the outside world through the second sound output channel 94 .

In one embodiment, when the telescopic bracket 20 is in a retracted state, the marble can be used to contact the touch switch, and the touch switch is activated, so that the ejector pin guides extend, so that the second circuit board assembly 60 can pass through the ejector pin guides. The connector is electrically connected to the first circuit board assembly 50, so that the second circuit board assembly 60 supplies power to the first circuit board assembly 50 through the first path (ie, through the second contact 52 on the first circuit board assembly 50);

When the telescopic bracket 20 is in the semi-extended state, the marbles are automatically separated from the touch switch, the touch switch is turned off, the ejector pin type guide is retracted, and the second circuit board assembly 60 and the first circuit board assembly 50 are disconnected state.

When the telescopic bracket 20 is in the extended state, it can be contacted with the tact switch through the marble, and the tact switch is activated, so that the ejector pin type guides are extended, so that the second circuit board assembly 60 is connected to the first circuit board assembly 60 through the ejector pin type conductors. The circuit board assembly 50 is electrically connected so that the second circuit board assembly 60 supplies power to the first circuit board assembly 50 through the second path (ie, through the first contacts 51 on the first circuit board assembly 50).

Among them, the touch switch is used to control the state of the thimble-type guide, and when the touch switch is in the activated state, the thimble-type guide is controlled to extend; and when the touch switch is in the off state, the thimble-type guide is controlled to retract .

Additionally, the telescoping state of the telescoping stand 20 can be used to activate a tact switch. For example, when the telescopic bracket 20 is in an extended state or a retracted state, the touch switch is in an activated state and controls the ejector pin guide to extend; and when the telescopic bracket 20 is in a semi-extended state, the touch switch is in an off state, And control the retraction of the ejector pin guide.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples," or the like, is meant to incorporate the embodiment. A particular feature, structure, material, or characteristic described by an example or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the present application, The scope of the application is defined by the claims and their equivalents.

Claims

An electronic device, comprising: a base, a telescopic bracket, a flexible screen and a drive module, the base is slidably connected to the telescopic bracket, the telescopic bracket is connected to the flexible screen through the drive module, and The telescopic support can be switched between a retracted state and an extended state relative to the base;

The electronic device further includes a first circuit board assembly, a second circuit board assembly, and a conductor, the first circuit board assembly is disposed on the base, and the second circuit board assembly is disposed on the telescopic bracket superior;

In the retracted state, the first circuit board assembly and the second circuit board assembly are stacked and disposed; in the extended state, the first circuit board assembly and the second circuit board assembly are misaligned Location;

Wherein, in the retracted state or the extended state, the first circuit board assembly and the second circuit board assembly may be electrically connected through the conductive member.
The electronic device of claim 1, wherein an end face of the first circuit board assembly facing the second circuit board assembly is provided with a first contact and a second contact, and the first contact and The second contacts are distributed at both ends of the first circuit board assembly along a first direction, and the first direction is the telescopic direction of the telescopic bracket;

Wherein, in the retracted state, the second circuit board assembly is electrically connected to the first contact through the conducting member; in the extended state, the second circuit board assembly passes through the The conductive member is electrically connected to the second contact.
The electronic device according to claim 2, further comprising a first battery and a second battery, the first battery is disposed on the base, and the first battery is electrically connected to the first circuit board assembly connection; the second battery is arranged on the telescopic bracket, and the second battery is electrically connected to the second circuit board assembly.
4. The electronic device of claim 3, wherein the first battery is located on a side of the first circuit board assembly facing away from the second circuit board assembly, the second battery is located on the second circuit board a side of the assembly facing away from the first circuit board assembly;

Wherein, a side of the first circuit board assembly facing the second circuit board assembly is provided with a first charging management module, and the first charging management module is used to manage the charging process of the first battery;

A side of the second circuit board assembly facing the first circuit board assembly is provided with a second battery management module, and the second battery management module is used to manage the charging process of the second battery.
The electronic device of any one of claims 1 to 4, wherein the electronic device includes a first side and a second side disposed opposite to each other;

In the retracted state, the base includes a first area on the first side and a second area on the second side, and the flexible screen covers the first area and the second area area;

In the extended state, the telescopic support includes a third area located on the first side, and the flexible screen covers the first area and the third area.
The electronic device according to claim 5, wherein the driving module comprises a driving member, a transmission assembly and a conveyor belt, the driving member is arranged on the telescopic bracket, and the conveyor belt is connected with the driving member through the transmission assembly , and the first connection part of the flexible screen is fixedly connected with the conveyor belt.
The electronic device according to claim 6, wherein the telescopic bracket comprises a bracket body and a side cover, the conveyor belt is located between the bracket body and the side cover, and a length direction of the conveyor belt is the same as that of the telescopic bracket The telescopic direction of the bracket is the same, the side cover is provided with a slide rail, the base is provided with a slide groove adapted to the slide rail, and the slide rail is slidably connected with the slide groove.
The electronic device according to claim 5, wherein the flexible screen further comprises a second connecting part located on the first side, and the second connecting part is fixedly connected with the base.
The electronic device according to claim 8, wherein the flexible screen comprises a flexible screen display module and a flexible glass cover plate arranged in layers, and the first connecting part and the second connecting part are both located on the flexible screen The side of the screen display module facing away from the flexible glass cover plate.
The electronic device according to claim 5, further comprising a locking structure for locking the telescopic bracket in the retracted state or the extended state.
The electronic device according to claim 10, wherein the locking structure comprises a locking member and an elastic member, a first end of the elastic member is connected with the telescopic bracket, and a second end of the elastic member passes through the elastic member. The locking member is connected with the base, and under the action of the elastic force of the elastic member, the locking member can lock the telescopic support in the retracted state or the extended state.